Bonjour,
it’s cobalt(III) sulfate
Bohr's Model agree with Thompson's model because Bohr concluded that packets of energy are absorbed or emitted by the atoms when an electron changes shell. Thompson's conclusion states that atoms have small, negatively charged particles (referring to Electrons) as part of their internal structure.
No it is not, texture is a physical property
Choice C. There is one sulfate group in the reactants but two in the products. Also, there are 4 nitrate groups in the reactants but only two in the products.